No-Load Operation Test Run; No-Load Operation Test Run - YASKAWA FSDrive-MV1000 Series Instructions For Use Manual

4.7 No-Load Operation Test Run

4.7

No-Load Operation Test Run

◆ No-Load Operation Test Run
This section explains how to operate the drive with the motor decoupled from the load during a test run.
Before Starting the Motor
■
Check the following items before operation:
• Ensure the area around the motor is safe.
• Ensure external emergency stop circuitry is working properly and other safety precautions have been taken.
During Operation
■
Check the following items during operation:
• The motor should rotate smoothly (i.e., no abnormal noise or oscillation).
• The motor should accelerate and decelerate smoothly.
No-Load Operation Instructions
■
The following example illustrates a test run procedure using the digital operator.
Note: Before starting the motor, set the frequency reference d1-01 to 6 Hz.
1 The control power supply is powered up. The initial display will appear.
LO
Press the key to select LOCAL.
2
RE
The LO/RE light will turn on.
Press to give the drive a Run command.
RUN
3
RUN will light and the motor will rotate at 6 Hz.
Ensure the motor is rotating in the correct direction and that no faults or alarms
4
occur.
If there is no error in step 4, press
Increase the frequency in increments of 10 Hz, verifying smooth operation at all
5
speeds. For each frequency, check the drive output current using monitor U1-03.
The current should be well below the motor rated current.
Example: 6 Hz → 60 Hz
After checking drive output current, reduce the frequency reference to 0.0 Hz by
6
pressing the button. The motor will decelerate.
130
Operating Procedure
to increase the frequency reference.
YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions
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